Cryptocoryne parva is the smallest of all Cryptocorynes (only 3-6 cm tall and a roset less than 5-8 cm wide). It is one of the few species that does not significantly change its leaf shape and colour depending on cultivation conditions.
Cryptocoryne crispatula var. balansae is from the limestone mountains of Southern Thailand, where the water can be very hard. It is not very demanding, but appreciates a nutritious substrate and good light. Leaves becomes 20-60 cm long and the single rose
Cryptocoryne beckettii 'Petchii' is a small variety of Cryptocoryne beckettii from Sri Lanka, which has beautiful, slightly fluted leaf margins, 10-15 cm long. Leaves become dark olive-brown with violet underside.